File is a large research file about McNab's Island. The research material includes newspaper clippings of articles about McNab's Island by Barbara Hinds and others; "A Prelimiary Survey of the Natural History of McNab's Island Halifax Harbour, Nova Scotia" prepared by the staff of the Nova Scotia Museum; typed drafts of articles and cutlines; three maps of McNab's island; pamphlets and newsletters from the Friends of McNabs Island Society; an annual report and newsletters from Halilfax Harbour Cleanup Inc.; and correspondence about excessive traffic with shorthand notes written on the back. File also contains proof sheets, negatives and photographs from McNab's Island.

File contains two newspaper clippings of articles written by Barbara Hinds for the Chronicle-Herald about sewage disposal in Cole Harbour. The articles were published on December 3, 1970 and January 12, 1971.